Magic_Game/core/Transition/FadeTransition.cpp

39 lines
648 B
C++

#include "..\e2dtransition.h"
#include "..\e2dnode.h"
e2d::FadeTransition::FadeTransition(Scene* scene, float duration)
: Transition(scene, duration)
{
}
bool e2d::FadeTransition::_init(Game * game, Scene * prev)
{
if (Transition::_init(game, prev))
{
_outLayerParam.opacity = 1;
_inLayerParam.opacity = 0;
return true;
}
return false;
}
void e2d::FadeTransition::_update()
{
Transition::_update();
if (_delta < 0.5)
{
_outLayerParam.opacity = 1 - _delta * 2;
_inLayerParam.opacity = 0;
}
else
{
_outLayerParam.opacity = 0;
_inLayerParam.opacity = (_delta - 0.5f) * 2;
if (_delta >= 1)
{
this->_stop();
}
}
}